Now to a surveillance tape causing real concern this evening. And the race against time for an 11-year-old girl suffering from leukemia her parents sneaking her out of a hospital in phoenix. Doctors the fear her life is at risk and the search is on. Here are the images of an 11-year-old cancer patient moments before her mother snuck her out of the hospital without doctors knowing. Officials say her life could be in danger. The fbi is involved, tracking down the family, possibly in mexico. If the kid's life is in danger, the parent cannot interfere with the rendering of treatment because it could be child neglect or endangerment. Reporter: Watch as emily a leukemia patient, follows her mother into a hospital wednesday. Both exit the bathroom and walk out of the hospital. Emily is seen wearing a wig. Her father drives them away in a black ford minivan. Emily was scheduled to be released the next day. But her mother removed the chest catheter that doctors fear could lead to infection. She does not have the seal from staff. We understand it's likely she could get an infection and die within a couple days. Reporter: Police canvassing parts of arizona, california and new mexico trying to find them. Police say if anything happens to young emily, her parents could face charges.

This transcript has been automatically generated and may not be 100% accurate.

{"id":17863842,"title":"Race Against Time to Find Girl Taken From Cancer Ward","duration":"1:36","description":"An 11-year-old cancer patient was snuck out of the hospital by her mother.","url":"/WNT/video/race-time-find-girl-cancer-ward-17863842","section":"WNT","mediaType":"Default"}